340804940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1103}}^1\times {\mathrm{2207}}^1$

素因数の和:3326

約数の個数: 48

約数和(自身を含む): 819044352

約数和(自身を除く): 478239412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1103, 2206, 2207, 4412, 4414, 5515, 7721, 8828, 11030, 11035, 15442, 15449, 22060, 22070, 30884, 30898, 38605, 44140, 61796, 77210, 77245, 154420, 154490, 308980, 2434321, 4868642, 9737284, 12171605, 17040247, 24343210, 34080494, 48686420, 68160988, 85201235, 170402470, 340804940]

約数ペア:

[(1, 340804940), (2, 170402470), (4, 85201235), (5, 68160988), (7, 48686420), (10, 34080494), (14, 24343210), (20, 17040247), (28, 12171605), (35, 9737284), (70, 4868642), (140, 2434321), (1103, 308980), (2206, 154490), (2207, 154420), (4412, 77245), (4414, 77210), (5515, 61796), (7721, 44140), (8828, 38605), (11030, 30898), (11035, 30884), (15442, 22070), (15449, 22060)]